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Party policy and group affiliation in the European Parliament

McElroy, Gail and Benoit, Kenneth (2010) Party policy and group affiliation in the European Parliament. British Journal of Political Science, 40 (02). p. 377. ISSN 0007-1234

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Identification Number: 10.1017/S0007123409990469


Systematic empirical research has yet to explain how national parties join political groups in the European Parliament. This article first demonstrates, using original empirical measures from expert surveys of party positions, that EP party groups consist of national parties sharing similar policy positions. Secondly, using Bayesian/MCMC methods, the paper estimates the policy determinants of group affiliation using a (conditional) multinomial logit model to explain that ‘party group’ choice is largely driven by policy congruence. Finally, predictions from the model identify national parties not in their ‘ideally congruent’ EP groups. The findings suggest that the organization of and switching between EP groups is driven mainly by a concern to minimize policy incongruence between national and transnational levels.

Item Type: Article
Official URL:
Additional Information: © 2010 Cambridge University Press
Divisions: Government
Subjects: J Political Science > JA Political science (General)
J Political Science > JN Political institutions (Europe)
Sets: Departments > Government
Date Deposited: 03 Oct 2012 09:27
Last Modified: 20 Jul 2021 02:08

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